Nandyala, V. N. R., pallam, P., Chintakindi, S. babu, Pallagani, L. and Kundarapu, G. (2016) “Gall bladder perforation - is it still a diagnostic dilemma: a retrospective study”, International Surgery Journal, 3(2), pp. 609–613. doi: 10.18203/2349-2902.isj20161131.